pic16c61 Microchip Technology Inc., pic16c61 Datasheet - Page 44
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pic16c61
Manufacturer Part Number
pic16c61
Description
8-bit Cmos Microcontrollers Technology
Manufacturer
Microchip Technology Inc.
Datasheet
1.PIC16C61.pdf
(336 pages)
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PIC16C6X
FIGURE 4-19: PIR1 REGISTER FOR PIC16C65/65A/R65/67 (ADDRESS 0Ch)
DS30234D-page 44
bit7
bit 7:
bit 6:
bit 5:
bit 4:
bit 3:
bit 2:
bit 1:
bit 0:
PSPIF
R/W-0
Interrupt flag bits get set when an interrupt condition occurs regardless of the state of its corresponding enable bit or the
global enable bit, GIE (INTCON<7>). User software should ensure the appropriate interrupt flag bits are clear prior to
enabling an interrupt.
PSPIF: Parallel Slave Port Interrupt Flag bit
1 = A read or a write operation has taken place (must be cleared in software)
0 = No read or write operation has taken place
Reserved: Always maintain this bit clear.
RCIF: USART Receive Interrupt Flag bit
1 = The USART receive buffer is full (cleared by reading RCREG)
0 = The USART receive buffer is empty
TXIF: USART Transmit Interrupt Flag bit
1 = The USART transmit buffer is empty (cleared by writing to TXREG)
0 = The USART transmit buffer is full
SSPIF: Synchronous Serial Port Interrupt Flag bit
1 = The transmission/reception is complete (must be cleared in software)
0 = Waiting to transmit/receive
CCP1IF: CCP1 Interrupt Flag bit
Capture Mode
1 = A TMR1 register capture occurred (must be cleared in software)
0 = No TMR1 register capture occurred
Compare Mode
1 = A TMR1 register compare match occurred (must be cleared in software)
0 = No TMR1 register compare match occurred
PWM Mode
Unused in this mode
TMR2IF: TMR2 to PR2 Match Interrupt Flag bit
1 = TMR2 to PR2 match occurred (must be cleared in software)
0 = No TMR2 to PR2 match occurred
TMR1IF: TMR1 Overflow Interrupt Flag bit
1 = TMR1 register overflow occurred (must be cleared in software)
0 = No TMR1 register overflow occurred
R/W-0
—
RCIF
R-0
TXIF
R-0
SSPIF
R/W-0
CCP1IF
R/W-0
TMR2IF
R/W-0
TMR1IF
R/W-0
bit0
R = Readable bit
W = Writable bit
U = Unimplemented bit,
- n = Value at POR reset
1997 Microchip Technology Inc.
read as ‘0’
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